502 



MEASUREMENTS OF CRYSTALS. 



APOPHYLLITE. (Continued.) 



MonM 90° (y 



MonP 90 



Mods 128 20 



P ons 120 5 



s ons 104 18 



PREHNITE. Fig. 343. Page 349. 



Fig. 343. The primary, a right rhombic 

 prism. 

 M on M' ... 100°0' or 102°30' 



THOMPSONITE. Fig. 344. Page. 350. 

 Fig. 344. The primary, a right square 

 prism. 



LAUMONITE. Fig. 345. Page 351. 



Fig. 345. The primary, an obhque prism. 



MonM' 86°15' 



MonP 113 30 



ANALCIME. Figs. 346 to 348 inclusive. Page 352. 

 Fig. 346. The primary, a cube. 



CHABAZITE. Fig. 349. Page 353. 



Fig. 349. The primary, an obtuse rhom- 

 bohedron, 

 PonP" 94°46' 



EPIDOTE. Figs. 350 to 355 inclusive. Page 354. 

 Fig. 350. The primary, a right obUque 

 angled prism. 

 MonT ... 114037' to II503O' 

 Fig. 351, et seq. 



M ono 121°23' 



Monr 116 40 



P onn 144 35 



P ono 148 37 



P onM 125 35 



n onn 109 10 



n onr 125 25 



